2001 WAEC SSCE Biology Past Questions

2001

(a) what is an ecosystem?(b) Name twi abiotic factors each which affect plants and animals in a terrestrial habitat(c) Describe the effect of three abiotic factors pn a named plants and an animal in the habitat mentioned…

2001

(a)(i) Define tropic and nastic movements. (ii) List four differences between tropic and nastic movements.(b) Describe an experiment to show that auxins are produced in the apical cells of a shoot.(c)(i) Name two plant h…

2001

(a) State eight human activities that may pollute water bodies(b) Explain the measures that may be used to prevent pollution of water bodies.(c) Mention four methods of purifying water.

2001

(a)(i) Draw and label.the mammalian heart. (ii) Explain briefly pulmonary circulation in mammals.(b) State five processes by which the mammalian body reduces its temperature.

2001

(i) Draw and label the human sperm cell. (ii) State where the sperm cell is produced and where it is stored.(b) Explain how the structure of the sperm cell enables it to function(c) Mention four advantages of sexual rep…

2001

Which of the following is a tissue?

2001

Which of the following indicates that Euglena is plant?

2001

A piece of yam weighing 1.0 gm was put into some salt solution. After 3 hours, it was removed and weighed.The recorded weight was 1.2gms. This simple experiment demonstrates that the

2001

Carbohydrates are stored in the animal cell in the form of

2001

The major function of the cell membrane is that it

2001

The structure that produces ATP is labelled

2001

Display is a phenomenon which occurs when an animal is

2001

Which bf the following structures are visible in the cell of a plant during mitosis?

2001

A red blood cell haemolyses when placed in a hypotonic solution because

2001

Which of the following phenomena affects plants growth in an alkaline soil?

2001

A major reason why the red blood cells can survive in the blood is that the

2001

The process by which plants convey food material to different parts of the body is called

2001

Which of the following is not a constituent of blood plasma?

2001

Which of the following statements is true about blood groupings?

2001

Which of the following groups contains a non-supporting structure in animals?

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